Math calculators
Percentages, averages, geometry and rounding.
Work out what X% of a number is, and what one number is as a percentage of another.
Find the percentage change between an old value and a new one, whether it rose or fell.
Compare two values where neither is the baseline, using the mean of the two as the reference.
Take a percentage off a price and see the amount saved and the final total.
Work backwards from a sale price to find the discount percentage that was applied.
Paste a list of numbers to get the mean, median, range, sum and count.
Find the midpoint between two coordinates, plus the distance and slope of the segment.
Count the significant figures in any number and round to a chosen precision. Handles trailing zeros, scientific notation and decimal places correctly.
Enter an angle and one side of a right triangle to get the remaining sides and the trig ratios.